71121303 has 24 divisors (see below), whose sum is σ = 113916816. Its totient is φ = 42393600.

The previous prime is 71121299. The next prime is 71121307. The reversal of 71121303 is 30312117.

It is an interprime number because it is at equal distance from previous prime (71121299) and next prime (71121307).

It is not a de Polignac number, because 71121303 - 2² = 71121299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71121307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (4746534).

Almost surely, 2^71121303 is an apocalyptic number.

71121303 is a deficient number, since it is larger than the sum of its proper divisors (42795513).

71121303 is a wasteful number, since it uses less digits than its factorization.

71121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11855 (or 11852 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 71121303 is about 8433.3447101373. The cubic root of 71121303 is about 414.3174593703.

The spelling of 71121303 in words is "seventy-one million, one hundred twenty-one thousand, three hundred three".